Apps Like QuantumNote -Quantum Computing for iPhone and iPad
Ranked alternatives
Showing 1–20 of 1,000 ranked alternatives.



Keeper Password Manager
Callpod Inc.
Store passwords securely and autofill them anywhere
Create strong passwords using a secure generator. Store passkeys and 2FA codes. Autofill passwords across devices. Sync data between all devices. Protect personal and sensitive information with encryption.


Brilliant: Learn by doing
Brilliant Worldwide, Inc
Math and computer science concepts
Math and computer science through interactive lessons and personalized practice. Explore concepts visually, solve problems step-by-step, and receive instant feedback. Track progress and set learning goals to improve STEM skills.

X-VPN: VPN Fast & Secure
LIGHTNINGLINK NETWORKS PTE. LTD.
Securely connect and browse privately
Connect to 26 free regions including 13 US cities for localized content. Access global content without registration or personal details. No speed or data limits. Available on all major operating systems.



Surfshark VPN: Fast & Secure
SURFSHARK LTD
Encrypt data and block ads online
Encrypt internet traffic to hide online activity. Block ads and trackers. Generate temporary email addresses. Detect data leaks. Secure connections on multiple devices. Protect personal information while browsing.



VPN Windscribe: Fast & Secure
Windscribe Limited
Your connection and access the web privately
Connect to servers to protect online activity. Encrypt internet traffic with post-quantum security. Access geo-restricted content. Manage connections and server locations. View usage statistics and adjust settings.






Cards, Universe & Everything
VirtTrade Ltd
Battle characters from different worlds
Play card battles with customizable character matchups. Choose from various heroes and villains. Swap cards during turns. Use special abilities and combos. Track progress and unlock new characters. Compete against other players online.

iORA - Reaction Visualizer
Daniel Ess
Visualize reactions in 3D with quantum simulations
View 3D models of chemical reactions based on quantum-mechanical simulations. Rotate, zoom, and dissect molecular structures. Annotate diagrams and save notes for later review. Share visualizations with classmates or instructors.

How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.